The hex color #1b59fc is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#E4A603. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#4E8CFF, and Hex
#0026C9 is the 20% darker color. If the color is saturated by 10%, you get
#1156FF. If the color is desaturated by 10%, the color
#255CEF is obtained.